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-.\" Copyright (c) 1983, 1991, 1993
-.\"	The Regents of the University of California.  All rights reserved.
-.\"
-.\" Redistribution and use in source and binary forms, with or without
-.\" modification, are permitted provided that the following conditions
-.\" are met:
-.\" 1. Redistributions of source code must retain the above copyright
-.\"    notice, this list of conditions and the following disclaimer.
-.\" 2. Redistributions in binary form must reproduce the above copyright
-.\"    notice, this list of conditions and the following disclaimer in the
-.\"    documentation and/or other materials provided with the distribution.
-.\" 3. Neither the name of the University nor the names of its contributors
-.\"    may be used to endorse or promote products derived from this software
-.\"    without specific prior written permission.
-.\"
-.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
-.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
-.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
-.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-.\" SUCH DAMAGE.
-.\"
-.\"	@(#)sigsuspend.2	8.2 (Berkeley) 5/16/95
-.\" $FreeBSD$
-.\"
-.Dd August 16, 2013
-.Dt SIGSUSPEND 2
-.Os
-.Sh NAME
-.Nm sigsuspend
-.Nd atomically release blocked signals and wait for interrupt
-.Sh LIBRARY
-.Lb libc
-.Sh SYNOPSIS
-.In signal.h
-.Ft int
-.Fn sigsuspend "const sigset_t *sigmask"
-.Sh DESCRIPTION
-The
-.Fn sigsuspend
-system call
-temporarily changes the blocked signal mask to the set to which
-.Fa sigmask
-points,
-and then waits for a signal to arrive;
-on return the previous set of masked signals is restored.
-The signal mask set
-is usually empty to indicate that all
-signals are to be unblocked for the duration of the call.
-.Pp
-In normal usage, a signal is blocked using
-.Xr sigprocmask 2
-to begin a critical section, variables modified on the occurrence
-of the signal are examined to determine that there is no work
-to be done, and the process pauses awaiting work by using
-.Fn sigsuspend
-with the previous mask returned by
-.Xr sigprocmask 2 .
-.Sh RETURN VALUES
-The
-.Fn sigsuspend
-system call
-always terminates by being interrupted, returning -1 with
-.Va errno
-set to
-.Er EINTR .
-.Sh SEE ALSO
-.Xr pselect 2 ,
-.Xr sigaction 2 ,
-.Xr sigpending 2 ,
-.Xr sigprocmask 2 ,
-.Xr sigtimedwait 2 ,
-.Xr sigwait 2 ,
-.Xr sigwaitinfo 2 ,
-.Xr sigsetops 3
-.Sh STANDARDS
-The
-.Fn sigsuspend
-system call is expected to conform to
-.St -p1003.1-90 .